Home / 189,106,344.81-283,077,728.55-123,385,970.34

Finding the Fourth Proportional to 189,106,344.81, 283,077,728.55 and 123,385,970.34

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Solution

The fourth proportional to 189,106,344.81, 283,077,728.55 and 123,385,970.34 is: 184,699,356.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,106,344.81 : 283,077,728.55 = 123,385,970.34 : x
  2. Step 2: Convert to fraction form
    189,106,344.81/283,077,728.55 = 123,385,970.34/x
  3. Step 3: Cross multiply
    189,106,344.81x = 283,077,728.55 × 123,385,970.34
  4. Step 4: Simplify right side
    189,106,344.81x = 34,927,820,218,784,872
  5. Step 5: Solve for x
    x = 34,927,820,218,784,872/189,106,344.81
  6. Step 6: Final answer
    x = 184,699,356.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.